"c VAR 0209 01204 FUELS 3R 947-956 MD= 1E-37 " "c REF 0209 LOC 1842 WIDTH 9 DK 30 COL 17-25 " "c " "c " "c INDEX OF PRODUCTION OF MINERAL FUELS " "c ------------------------------------ " "c " "c NBER SERIES: 01204 " "c AREA COVERED: U.S. " "c UNITS: 1947-1949=100 " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 01/1947-07/1956 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: FEDERAL RESERVE BOARD, FEDERAL RESERVE BULLETIN, " "c DECEMBER 1953, AND FOLLOWING MONTHLY ISSUES. " "c " "c NOTES: SERIES 01204 IS PRESENTED HERE AS THREE " "c VARIABLES--(1)--SEASONALLY ADJUSTED DATA, 1913-1940 " "c (2)--ORIGINAL DATA, 1946-1953 (3)--ORIGINAL DATA, 1947-1956 " "c DATA ARE NOT ENTIRELY COMPARABLE WITH 1946-1953 INDEX " "c IN WHICH COAL HAD A WEIGHT OF APPROXIMATELY 1/3 AND CRUDE " "c PETROLEUM ABOUT 2/3; BEGINNING 1947 WEIGHT OF COAL=32.1%, " "c CRUDE PETROLEUM=49.3% AND REMAINDER ASSIGNED TO NATURAL GAS, " "c NATURAL GAS LIQUIDS AND OIL AND GAS WELL DRILLING THAT WERE " "c NOT INCLUDED IN PREVIOUS INDEX. " "c " "c NOT CHECKED AGAINST ORIGINALS. " "c " "c ............................................................... "